#include <iostream>

int main()
{
    using std::cout;
    using std::endl;

    int train{};
    int chicken{10};
    int tree = {100};
    int desk(1000);

    cout << "train: " << train << endl;
    cout << "chicken: " << chicken << endl;
    cout << "tree: " << tree << endl;
    cout << "desk: " << desk << endl;

    return 0;
}
